Job killed when backup tasks fail
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Key: HADOOP-39
URL: http://issues.apache.org/jira/browse/HADOOP-39
Project: Hadoop
Type: Bug
Components: mapred
Reporter: Owen O'Malley
I had a map job with side effects that meant that any speculative tasks would
fail.
Currently, the job tracker kills the job when the speculative task fails 4
times.
It would be better to stop scheduling speculative tasks for that fragment, but
let the job continue as long as one of the the instances of that fragment
continue to run.
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